Found 17 datasets matching "WAAS".
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In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once established, variable leaf...
Search relevance: 57.21 | Views last month: 4 -
Bathymetric data were collected using a boat-mounted Wide Area Augmentation System (WAAS), a type of differential global positioning system, echo depth-sounding equipment, and computer software....
Search relevance: 42.31 | Views last month: 0 -
Multibeam sonar data showing the bathymetric survey of two offshore submarine sinkholes, Miami Sinkhole and Key Biscayne Sinkhole. A series of dives were performed to produce the bathymetric...
Search relevance: 40.39 | Views last month: 0 -
Methane, nitrogen, oxygen, and carbon dioxide concentrations were collected at two offshore submarine pockmarks, Miami Pockmark and Key Biscayne Pockmark. A series of dives were performed to...
Search relevance: 37.02 | Views last month: 0 -
Conductivity, temperature, and salinity data were collected from two offshore submarine pockmarks, Miami Pockmark and Key Biscayne Pockmark. A series of dives were performed to gather...
Search relevance: 35.17 | Views last month: 0 -
Raw data in the form of observations, measurements, GPS coordinates, and photographs were generated during every elevation survey. Beach surveys resulted in elevation data relative to a fixed...
Search relevance: 34.11 | Views last month: 0 -
The US Total Electron Content (US-TEC) product is designed to specify TEC over the Continental US (CONUS) in near real-time. The product uses a Kalman Filter data assimilation model, described in...
Search relevance: 33.78 | Views last month: 4 -
Water-quality constituents were measured along planned survey lines, which were generally perpendicular to the shoreline and spaced 100 meters apart, over an approximately 2.3-mile section of...
Search relevance: 25.68 | Views last month: 0 -
On 26 October 2017, acoustic data was collected in tandem with direct, in situ gas flux measurements. Acoustic data was collected using a Simrad ES200-7C split-beam echosounder that was interfaced...
Search relevance: 19.57 | Views last month: 2 -
A dye tracer study was completed on the lower Sandusky River between July 11-13, 2017, during a confirmed Grass carp (Ctenopharyngodon idella) spawning event downstream of Ballville Dam near...
Search relevance: 18.30 | Views last month: 0 -
Sandbars are ubiquitous in wide, braided, sand-bed rivers throughout the world. In the Great Plains of the United States, recovery and expansion of emergent sandbar habitat (ESH) has been a...
Search relevance: 17.77 | Views last month: 0 -
The objectives of the survey were to provide bathymetric and sidescan sonar data for sediment transport studies and coastal change model development for ongoing studies of nearshore coastal...
Search relevance: 17.43 | Views last month: 1 -
The objectives of the survey were to provide bathymetric and sidescan sonar data for sediment transport studies and coastal change model development for ongoing studies of nearshore coastal...
Search relevance: 17.43 | Views last month: 0 -
The objectives of the survey were to provide bathymetric and sidescan sonar data for sediment transport studies and coastal change model development for ongoing studies of nearshore coastal...
Search relevance: 17.30 | Views last month: 0 -
The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy in the fall of 2012. The U.S. Geological Survey...
Search relevance: 14.59 | Views last month: 0 -
A broad acoustic survey of the Coal Oil Point seep field was conducted using a small dive support vessel (R/V Connell) from the University of California – Santa Barbara. The survey consisted of...
Search relevance: 9.26 | Views last month: 0
